Keywords: # Small CNC Machine Tool, # Desktop CNC Machine Tool, # Small Teaching CNC  Lathe Machine, # Small Teaching Machining Center, # Desktop CNC Lathe

CNC technology falls under the category of equipment manufacturing, aiming to cultivate well-rounded individuals with solid scientific and cultural foundations, capabilities in process design and tooling design for complex parts, and skills in CNC machining process and tooling design, CNC program compilation, production organization, and quality management. These individuals, possessing a craftsman spirit and information literacy, can engage in work such as CNC machining process compilation and implementation for complex parts, tooling design, multi-axis CNC machine programming and operation, optimization of CNC machining processes for complex parts, integration and maintenance of intelligent manufacturing units, product quality inspection, and production management.

Application Scenarios, Technical Advantages, and Actual Cases of CNC Lathes

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I. Core Application Fields of CNC Lathes

1. Precision Mechanical Manufacturing

- Typical Parts: Shafts (drive shafts, lead screws), disk sleeves (gear blanks, flanges), special-shaped parts (cams, impellers)

- Precision Requirements: Dimensional tolerances can reach ±0.005mm, surface roughness Ra0.4μm (mirror-like finish)

- Case: High-precision ball screw machining, using a C-axis power tool holder to achieve one-time forming of the spiral groove

2. Automotive Industry

- Key Components: Engine crankshafts, transmission gears, brake discs, wheel hubs

- Process Characteristics:

- For mass production, a dual-spindle + dual-turret configuration is used, increasing efficiency by 40%

- Crankshaft connecting rod neck machining synchronous main shaft tracking technology

3. Aerospace

- Special Materials: Titanium alloy (TC4), high-temperature alloy (Inconel 718)

- Technical Difficulties:

- Preventing deformation of thin-walled parts (wall thickness <1mm for rocket nozzles)

- Composite machining: Turning centers integrate milling/drilling functions (five-axis linkage)

4. Medical Devices

- Typical Products: Artificial joints (cobalt-chromium-molybdenum alloy), surgical instruments, dental implants

- Ultra-precision Machining: Acetabular cup spherical surface slow-walking turning (speed 5000rpm + CBN tools)

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II. Five Major Technical Advantages of CNC Lathes

1.Composite Machining Capability

- Modern turning centers can integrate milling, drilling, and tapping (e.g., Mazak Integrex series)

- Reduces clamping times, reducing positioning errors by 70%

2.Adaptive Control

- Automatically adjusts feed rates through a load monitoring system (e.g., Siemens 840D sl's ACC)

- Tool wear compensation precision reaches 0.1μm

3. Intelligent Process Chain

- CAM software integration: Mastercam/Tebis automatically generates collision-free tool paths

- On-line measurement: Renishaw probes achieve real-time size correction during machining

4.Efficient Production Mode

- Modular fixtures: 3-2-1 positioning principle for quick changeover (changeover time <15 minutes)

- Automatic feeding system: Bar feeders + robots enable 24-hour unattended production

5. Energy-saving and Environmental Protection

- Spindle servo motors consume 30% less energy than traditional machine tools

- Cutting fluid circulation system reduces waste liquid emissions by 90%

CNC lathes have evolved from single-turning equipment to core units of intelligent manufacturing, and their application depth directly reflects the level of advanced manufacturing.

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